This paper deals with the parameters to specify a performance of a spray-type combustor which is a high loading combustor for a lift jet engine. The mixing parameter to control a combustion efficiency was obtained analytically by means of simplifying a primary zone, and its effectiveness was confirmed experimentally. The combustor geometry used for the test was 90-deg sector model of an annular type, the 42 combinations of different seven swirlers and six deflectors were tested systematically. The maximum combustion loading of 2.0 × 107 Btu/hr/cu ft combustion volume per atmosphere was obtained.

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